SCUMM: Make DOTT/MM patch check less strict

The original check broke if either DOTT or MM had a trailing path
separator in the game path. The new check is too broad, but the risk of
false positives should be minimal.

The one in e11a370 would break if one
of the two had a separator, but not both.

engines/scumm/scumm.cpp

@@ -2611,8 +2611,12 @@ bool ScummEngine::startManiac() {
 			Common::String path = dom.getVal("path");
 
 			if (path.hasPrefix(currentPath)) {
-				path.erase(0, currentPath.size() + 1);
-				if (path.equalsIgnoreCase("maniac")) {
+				path.erase(0, currentPath.size());
+				// Do a case-insensitive non-path-mode match of the remainder.
+				// While strictly speaking it's too broad, this matchString
+				// ignores the presence or absence of trailing path separators
+				// in either currentPath or path.
+				if (path.matchString("*maniac*", true, false)) {
 					maniacTarget = iter->_key;
 					break;
 				}